A radiometeorological study of the Chios-Lemnos line of sight radio link

Summary

This study deals with the conditions of radio wave propagation in the link between the islands Chios and Lemnos and especially with the influence of weather situations upon this propagation. The field fading forms have been classified into three typesA, B andC which have an annual course of large amplitude. TypesA andB show their maximum frequency during the cold months of the year and their minimum during the warm months, while the typeC shows an annual course inverse to the courses of the typesA andB. This can be explained if it is taken into consideration that in the eastern Mediterranean the weather situations during the warm season are absolutely different from those of the cold season. Finally for the months January, April, July and October a correlation between the prevailing weather situations and the occurence of theA, B, C fading forms has been attempted, the main results of which were that the typeC occurs with weak winds, or with clear and calm weather as well as under the blowing of the Etesian winds, while the typeA is almost certainly due to the anticyclonic extensions during the cold season of the year and generally to the strong winds of the north sector.